To come in between; to unintentionally block or seemingly intercept another person's carnal goal; particularly useful in love triangle situations

Mr. Choi thought he'd have a nice, low-key date with Ms. Lee, only to have Mr. Cho come and clee the whole set-up. Mr. Choi was visibly frustrated by Mr. Cho's acting of cleeing, but made his best effort to appear nonchalant.